+86-19715617532      sales008@qd-zdk.com
English

PRODUCTS

You are here: Home » Products » Signal Converter » Intrinsically Safe Barrier » QD-6011/6015/6018 Relay Isolated Safety Barrier for Switching Signals

loading

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

QD-6011/6015/6018 Relay Isolated Safety Barrier for Switching Signals

DIN-rail relay-isolated intrinsic safety barriers providing flexible, interference-free switching signal transmission between hazardous field devices and safe-area PLC/DCS systems.
Input Signal:
Output Signal:
Please select
Channel :
Power:
Please select
SKU:
Availability:
Quantity:

QD-6011/6015/6018 Relay Isolated Safety Barrier

relay isolated switching input safety barrier for hazardous area signal transmission

Intrinsically Safe Switching Input Isolation

QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Intrinsically Safe Switching Input Isolation.” Provides clear switching, alarm or relay functions for equipment control and interlocking. The alarm, relay, switching or control function turns the measured condition into a clear action for pumps, valves, warning devices or equipment interlocks. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Respond faster to abnormal conditions and equipment control demands, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QD-6011 QD-6015 QD-6018 safety barriers with multiple channel configurations

Flexible Multi-channel Switching Input Integration

QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Flexible Multi-channel Switching Input Integration.” Model options QD-6011, QD-6015, QD-6018 match different channel and point-count requirements. The channel and model arrangement makes it easier to match the number of field points without changing the overall cabinet architecture. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Handle more monitoring points with fewer separate cabinet modules, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

intrinsic safety barrier with isolated switching signal transmission between hazardous and safe areas

Optical Isolation for Stronger Anti-interference

QD-6011 / QD-6015 / QD-6018 is a switching input safety barrier designed around “Optical Isolation for Stronger Anti-interference.” Improves switching input stability, response or operating efficiency under changing field conditions. The stated operating range, accuracy, response, overload or stability feature supports more dependable data under changing field conditions. The feature is directly relevant to control cabinet, hazardous-area instrument loop and industrial process projects. Maintain clearer trend data during long-term industrial operation, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Working Principle Diagram

7a0cdd191fef880280ffaa76cfb65f8a.jpg

Technical Specifications

Maximum Switching Voltage:250 V AC / 30 V DC (safe side output)


Rated Switching Current (Resistive Load):3 A continuous


Rated Switching Current (Inductive Load):1 A @ 24 V DC (with built-in RC snubber for arc suppression)


Initial Contact Resistance:≤ 100 mΩ (stable low voltage drop for long-term operation)


Contact Bounce Time:< 5 ms (eliminates false counting & spurious system triggering)


Operate Response Time:< 10 ms (coil energized to contact fully closed)


Release Response Time:< 8 ms (coil de-energized to contact fully open)


Mechanical Endurance:≥ 10,000,000 operations (no-load condition)


Electrical Endurance:≥ 100,000 operations @ rated resistive load


Common Mode Rejection Ratio (CMRR):≥ 120 dB @ 50/60 Hz


Normal Mode Rejection Ratio (NMRR):≥ 60 dB @ 50/60 Hz

Dimension Chart

Width x Height x Length: 17.7 mm x 110 mm x 118.9 mm

a7a984b0158cfaf0bcc79a01e813b854.png

Wiring Diagram

QD-6011.jpg
QD-6011.jpg
QD-6015.jpg
微信图片_20260928101913_515_10.jpg
微信图片_20260928101917_516_10.jpg
Previous: 
Next: 

RELATED ARTICLES

content is empty!

Tel: +86-400-127-7889 / +86-561-3033839
Phone: +86-19715617532
Add: Building 14, University Science and Technology Park, Fenghuangshan Economic Development Zone, Xiangshan District, Huaibei City, Anhui Province

QUICK LINKS

PRODUCT CATEGORY

MORE LINKS

Copyright © 2026 Anhui Qidian Automation Technology Co., Ltd. All Rights Reserved.|Sitemap|Privacy Policy